// *****************************************************************************
//
// Copyright (c) 2017, Southwest Research Institute® (SwRI®)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of Southwest Research Institute® (SwRI®) nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// *****************************************************************************

#ifndef MAPVIZ_VIDEO_WRITER_H
#define MAPVIZ_VIDEO_WRITER_H

#include <QObject>
#include <QMutex>
#include <QImage>

#include <boost/shared_ptr.hpp>

#ifndef Q_MOC_RUN
#include <opencv2/highgui/highgui.hpp>
#endif

namespace mapviz
{
  class VideoWriter : public QObject
  {
    Q_OBJECT

  public:
    VideoWriter() :
        video_mutex_(QMutex::Recursive)
    {}

    bool initializeWriter(const std::string& directory, int width, int height);
    bool isRecording();
    void stop();

  public Q_SLOTS:
    void processFrame(QImage frame);

  private:
    int height_;
    int width_;
    QMutex video_mutex_;
    boost::shared_ptr<cv::VideoWriter> video_writer_;
  };
}

#endif //MAPVIZ_VIDEO_WRITER_H
